OWINGS MILLS, Md. — Now the Baltimore Ravens have to face the most daunting of challenges — the possibility of playing without quarterback Lamar Jackson.

The two-time MVP did not practice Wednesday, three days after he left a loss at Kansas City with a hamstring injury. By the time that game ended, all four of Baltimore's first-team All-Pros from last season were injured. The Ravens host Houston on Sunday.

“We'll kind of take it day by day through the week,” coach John Harbaugh said. “It's really all those guys. We could sit here and you could ask me about every single guy, and it's a fairly long list. Who's got time for that?”

The rest of Baltimore's injury report was as follows: linebacker Roquan Smith (hamstring), tackle Ronnie Stanley (ankle), fullback Patrick Ricard (calf), wide re

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